Key Points and Summary – China’s J-20S formal debut signals a shift in PLAAF doctrine and what looks like an actual ‘secret weapon’ of sorts: blend human cognition with fast AI/sensor fusion and add a second crew member to run radar/EW, datalinks, and loyal-wingman drones.
-The twin-seat “battle-manager” turns the Mighty Dragon into an airborne C2 node for BVR fights and standoff strikes.
China J-20 Amazing Colors. Image Credit: PLAAF.
-A large-aperture AESA—with dense T/R modules some analysts say could outrange U.S. sets—fits a counter-intervention posture that extends detection and effects outward from China’s coast.
-Raw radar power won’t decide every fight, but J-20S significantly expands options for manned-unmanned teaming, electronic attack, and long-range air defense.
China’s J-20S Fighter Could Be a Real Threat to the U.S. Military
The formal arrival of China’s J-20S two-seat 5th-generation stealth fighter jet variant suggests several key developments with the People’s Liberation Army Air Force (PLAAF) strategy and concepts of operation.
It indicates the Chinese greatly value “human” cognition that can operate in tandem with AI-enabled computing systems. In development now for several years, the “S” model made its public debut during China’s recent military parade.
Along with Concept of Operations (ConOps) implications, the arrival of the J-20S also seems to indicate that the PLAAF is pursuing extensive levels of “loyal wingman” manned-unmanned teaming as well.
J-20S Stealth Fighter from China and AI
Artificial intelligence (AI) and F-35-like “sensor fusion” technology have progressed to the point where computer automation is capable of performing time-sensitive functions at paradigm-changing speeds.
In some instances, unmanned AI-enabled fighter jets have outperformed human pilots in dogfighting experiments. The United States Air Force has even flown fighter jets with an AI-copilot called Artuu, able to provide high-speed analysis, sensor integration, and data analytics in support of a human pilot.
However, despite the arrival of advanced AI, Pentagon weapons developers remain clear and steadfast in their belief that an “optimal” approach to combat requires a deliberate, synergistic blending of both AI-capable computing and human decision making.
The PLA is well known for its intense emphasis on AI, yet the arrival of a two-seat J-20 suggests that Chinese thinking may be similar to US strategy when it comes to prioritizing both AI and human cognition.
J-20 Fighter. Image Credit: Creative Commons.
A Chinese government-backed newspaper, Global Times, seems to confirm this in an article about the public debut of the J-20S.
The essay reads:
“Having one more pilot means having one more mission commander. In the era of fifth-generation fighter jet, the addition of a pilot to the J-20S is like a number ten player in soccer, who could both score points on his own and command the members of the warplane formation in combat,” military expert Zhang Xuefeng told the Global Times.
Manned Unmanned Teaming
A twin-seat J-20S suggests that the PLAAF is committed to manned-unmanned teaming and the “loyal wingman” strategies employed by the United States. US Air Force Collaborative Combat Aircraft are already airborne, and the Pentagon has long maintained that its 6th-generation stealth fighter will be a “family of systems.”
Sure enough, the emerging F-47 is expected to operate many drones from the cockpit to test enemy air defenses, blanket areas with intelligence, surveillance, reconnaissance (ISR), and even fire weapons when directed by a human.
By adding an F-14-like “aviator” seat, the J-20S will likely operate as an aerial command and control node in the sky, able to direct drone attacks and network key data across multiple domains in a manner similar to the F-47, F-22, and F-35.
AESA Radar
There is yet another dimension to this related to the long-range Active Electronically Scanned Array radar system of the J-20S, as it appears engineered to support a more defensive or “counterinterventionist” posture.
This might be the case because the J-20 operates with a larger nose radome able to accommodate a large number of densely packaged transit-receive (T&R) modules. Academic research establishes a clear, linear relationship between T/R modules and radar effectiveness.
A 2025 academic essay published by the Pentagon’s National Defense University’s Air University cites evidence that the J-20 AESA radar could be more powerful and longer range than its US equivalents.
“According to a 2016 essay in Sina Military News, the J-20 radar achieves 50-percent more power than the F-22 and reaches a comparatively longer detection range. The essay further establishes a direct and clear connection between T/R modules and detection distance; ‘it can be seen that the number of T/R modules directly determines the size of the transmission power and the distance of the detection distance … the TR module is equivalent to a relay station and signal amplifier.’”
The presence of a longer-range or more powerful AESA radar does not mean a J-20 would prevail in an engagement with an F-22 or F-35, as there are many components to air superiority, yet it would suggest a “counter-interventionist” operational concept.
Perhaps the PLA sees the J-20S as a key command and control, drone-controlling aerial node fighter able to defend the perimeter of mainland China and “see” and “attack” incoming threats from further stand-off range
About the Author: Kris Osborn
Kris Osborn is the President of Warrior Maven – Center for Military Modernization. Osborn previously served at the Pentagon as a highly qualified expert in the Office of the Assistant Secretary of the Army—Acquisition, Logistics & Technology. Osborn has also worked as an anchor and on-air military specialist at national TV networks. He has appeared as a guest military expert on Fox News, MSNBC, The Military Channel, and The History Channel. He also has a Master’s Degree in Comparative Literature from Columbia University.
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Scott Moser
September 15, 2025 at 9:43 pm
The fact that Western 5th and 6th Gen fighters are single seaters, while China needs a WSO to perform similar tasks demonstrates that the PLAAF doesn’t possess F-35 level AI.
The J-20 is cosplaying as a 5th Gen fighter, and it’s military threat is production numbers, not technology.
Lee draper
September 18, 2025 at 9:58 am
That’s not true China is scare to death of our military